The idea of regulating vacuum to an automatic transmission's vacuum modulator is nothing new. Racer's have manually adjusted vacuum by means of a needle valve for years. But it hasn't been until ...

HOT ROD StaffWriterJan 01, 2023 Auto Trans Tuning Originally published in the October 1987 issue of Hot Rod magazine HOT ROD StaffWriterJan 01, 2023 See All 14 Photos ...

Corvette Powerglide Transmission Problems & Troubleshooting Powerglide transmission problems and troubleshooting James BerryWriterMay 24, 2019 See All 5 Photos ...

Thinking about an overdrive-transmission swap for your vintage Mustang? This look at the parts and procedures is a good place to start. HOT ROD StaffWriterAug 13, 2006 See All 14 Photos ...